"A good book is an event in my life."

"The problem with fiction is that it makes too much sense. Reality never makes sense."

The complexity of viruses reminds us how much we still have to learn about biology.

Government has no other end, but the preservation of property.

A method of solution is perfect if we can foresee from the start, and even prove, that following that method we shall attain our aim.

数学是理性的音乐。